FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter. This can lead to Pre-Auth Remote Code Execution.
Conclusion & alert: CVE-2018-16763 is rated High Exploit Risk (89.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 93.93%, 100th percentile). Core evidence: 8 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 50477 | exploit_db | edb | 2021-11-03 | Exploit-DB ↗ |
| 49487 | exploit_db | edb | 2021-01-28 | Exploit-DB ↗ |
| 47138 | exploit_db | edb | 2019-07-19 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 93.35% | 93.93% | +0.58% |
| 2 | 2025-11-18 | 93.94% | 93.35% | -0.59% |
| 3 | 2025-03-30 | — | 93.94% | — |
Full EPSS history (27 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| thedaylightstudio | fuel_cms | <= 1.4.2 | cpe:2.3:a:thedaylightstudio:fuel_cms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/153696/fuelCMS-1.4.1-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/160080/Fuel-CMS-1.4-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/164756/Fuel-CMS-1.4.1-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://0xd0ff9.wordpress.com/2019/07/19/from-code-evaluation-to-pre-auth-remote-code-execution-cve-2018-16763-bypass/ | Exploit Third Party Advisory |
| https://github.com/daylightstudio/FUEL-CMS/issues/478 | Issue Tracking Patch Third Party Advisory |
| https://www.exploit-db.com/exploits/47138 | Exploit Third Party Advisory VDB Entry |